package com.懂二进制;

import java.util.List;
import java.util.Stack;

public class Test {
     
	public Test() {
	
	}
public <E> List<E>  change(E[] e, List<E> list ){
	return list;
		
	}
	public static void main(String[] args) {
		int $4 = 3;
		int end=Solution.countBitDiff(1999, 2299);
		System.out.println(end);
		System.out.println(4&3);
		Stack s = new Stack();
		
	}

}
